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f_alias: catch SGPropertyNode exceptions and generate runtime error

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This commit is contained in:
mfranz 2008-11-13 23:47:45 +00:00
parent 5a3f00bcac
commit 845196800b
1 changed files with 6 additions and 4 deletions
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10
src/Scripting/nasal-props.cxx
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@ -306,10 +306,12 @@ static naRef f_alias(naContext c, naRef me, int argc, naRef* args)
NODEARG();
SGPropertyNode* al;
naRef prop = naVec_get(argv, 0);
if(naIsString(prop)) al = globals->get_props()->getNode(naStr_data(prop), true);
else if(naIsGhost(prop)) al = *(SGPropertyNode_ptr*)naGhost_ptr(prop);
else {
naRuntimeError(c, "props.alias() with bad argument");
try {
if(naIsString(prop)) al = globals->get_props()->getNode(naStr_data(prop), true);
else if(naIsGhost(prop)) al = *(SGPropertyNode_ptr*)naGhost_ptr(prop);
else throw string("props.alias() with bad argument");
} catch (const string& err) {
naRuntimeError(c, (char *)err.c_str());
return naNil();
}
return naNum((*node)->alias(al));